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DTC P0037, P0038, P0057, P0058 HO2S2 HEATER EC-165 C D E F G H I J K L M A EC DTC P0037, P0038, P0057, P0058 HO2S2 HEATER PFP:226A0 Description ABS002ES SYSTEM DESCRIPTION The ECM performs ON/OFF control of the heated oxygen sensor 2 heater corresponding to the engine speed, OPERATION CONSULT-II Reference Value in Data Monitor Mode ABS002ET Specification data are reference values. On Board Diagnosis Logic ABS002EU Sensor Input Signal to ECM ECM function Actuator Camshaft position sensor (PHASE) Engine speed Heated oxygen sensor 2 Heated oxygen sensor 2 heater Crankshaft position sensor (POS) Engine coolant temperature sensor Engine coolant temperature Mass air flow sensor Amount of intake air Engine speed rpm Heated oxygen sensor 2 heater Above 3,600 OFF Below 3,600 rpm after the following conditions are met. ● Engine: After warming up ● Keeping the engine speed between 3,500 and 4,000 rpm for 1 ON MONITOR ITEM CONDITION SPECIFICATION HO2S2 HTR (B1) ● Engine speed: Above 3,600 rpm OFF ● Engine speed is below 3,600 rpm after the following conditions are met. – Engine: After warming up – Keeping the engine speed between 3,500 and 4,000 rpm for 1 minute and ON DTC No. Trouble diagnosis name DTC detecting condition Possible cause P0037 Heated oxygen sensor 2 The current amperage in the heated oxygen sensor ● Harness or connectors ● Heater oxygen sensor 2 heater P0057 P0038 Heated oxygen sensor 2 The current amperage in the heated oxygen sensor ● Harness or connectors ● Heater oxygen sensor 2 heater P0058 |